Nokia E70 User Manual page 119

test methodology for measuring the rate at which RF is deposited
in the heads of wireless phone users. The test method uses a tissue-
simulating model of the human head. Standardized SAR test
methodology is expected to greatly improve the consistency of
measurements made at different laboratories on the same phone.
SAR is the measurement of the amount of energy absorbed in
tissue, either by the whole body or a small part of the body. It is
measured in watts/kg (or milliwatts/g) of matter. This
measurement is used to determine whether a wireless phone
complies with safety guidelines.
•
What steps can I take to reduce my exposure to radiofrequency
energy from my wireless phone? If there is a risk from these
products--and at this point we do not know that there is--it is
probably very small. But if you are concerned about avoiding even
potential risks, you can take a few simple steps to minimize your
exposure to radiofrequency energy (RF). Since time is a key factor
in how much exposure a person receives, reducing the amount of
time spent using a wireless phone will reduce RF exposure. If you
must conduct extended conversations by wireless phone every day,
you could place more distance between your body and the source
of the RF, since the exposure level drops off dramatically with
distance. For example, you could use a headset and carry the
wireless phone away from your body or use a wireless phone
connected to a remote antenna. Again, the scientific data do not
demonstrate that wireless phones are harmful. But if you are
concerned about the RF exposure from these products, you can use
measures like those described above to reduce your RF exposure
from wireless phone use.
•
What about children using wireless phones? The scientific
evidence does not show a danger to users of wireless phones,
including children and teenagers. If you want to take steps to lower
exposure to radiofrequency energy (RF), the measures described
above would apply to children and teenagers using wireless
phones. Reducing the time of wireless phone use and increasing
the distance between the user and the RF source will reduce RF
exposure.Some groups sponsored by other national governments
have advised that children be discouraged from using wireless
phones at all. For example, the government in the United Kingdom
distributed leaflets containing such a recommendation in
December 2000. They noted that no evidence exists that using a
wireless phone causes brain tumors or other ill effects. Their
recommendation to limit wireless phone use by children was
strictly precautionary; it was not based on scientific evidence that
any health hazard exists.
•
What about wireless phone interference with medical equipment?
Radio frequency energy (RF) from wireless phones can interact
with some electronic devices. For this reason, FDA helped develop
a detailed test method to measure electromagnetic interference
(EMI) of implanted cardiac pacemakers and defibrillators from
wireless telephones. This test method is now part of a standard
sponsored by the Association for the Advancement of Medical
instrumentation (AAMI). The final draft, a joint effort by FDA,
medical device manufacturers, and many other groups, was
completed in late 2000. This standard will allow manufacturers to
ensure that cardiac pacemakers and defibrillators are safe from
wireless phone EMI. FDA has tested hearing aids for interference
from handheld wireless phones and helped develop a voluntary
standard sponsored by the Institute of Electrical and Electronic
Engineers (IEEE). This standard specifies test methods and
performance requirements for hearing aids and wireless phones so
that no interference occurs when a person uses a compatible phone
and a accompanied hearing aid at the same time. This standard was
approved by the IEEE in 2000. FDA continues to monitor the use
of wireless phones for possible interactions with other medical
devices. Should harmful interference be found to occur, FDA will
conduct testing to assess the interference and work to resolve the
problem.
•
Where can I find additional information? For additional
information, please refer to the following resources:
FDA web page on wireless phoneshttp://www.fda.gov/cdrh/
phones/index.html http://www.fda.gov/cdrh/phones/index.html
Federal Communications Commission (FCC) RF Safety Program
http://www.fda.gov/cdrh/phones/index.html
International Commission on Non-Ionizing Radiation
Protectionhttp://www.icnirp.del World Health Organization
(WHO) International EMF Project http://www.who.int/emf
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